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Latest Troubleshooting Guides

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Troubleshooting

Chrome Sync Not Working with VPN: Fixes and Checks

If Chrome sync stops working after you turn on a VPN, you're not alone. The VPN can interfere...

Troubleshooting

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused


                    
                    
                        
                            
                            
                                Troubleshooting
                                Git Merge Unrelated Histories Without Losing Commits
                                
You've cloned a repo, added a new remote, and now you need to merge two branches that don'...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Cloudflare 521 Error with Wildcard Subdomains
                                
If you're seeing a Cloudflare 521 error on a wildcard subdomain (e.g., *.example.com), the or...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix ERR_CONNECTION_RESET on Chrome for Android
                                
If you see the ERR_CONNECTION_RESET error in Chrome on your Android phone or tab...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Nginx Redirect Loop Not Working: Causes and Fixes
                                
You've set up a redirect in Nginx, but instead of landing on the intended URL, the browser sh...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.